20320001432120 has 64 divisors (see below), whose sum is σ = 50381971405920. Its totient is φ = 7328286733824.

The previous prime is 20320001432117. The next prime is 20320001432131. The reversal of 20320001432120 is 2123410002302.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 20320001432092 and 20320001432101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 454360499 + ... + 454405218.

Almost surely, 2^{20320001432120} is an apocalyptic number.

20320001432120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20320001432120 is an abundant number, since it is smaller than the sum of its proper divisors (30061969973800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20320001432120 is a wasteful number, since it uses less digits than its factorization.

20320001432120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908765784 (or 908765780 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20320001432120 its reverse (2123410002302), we get a palindrome (22443411434422).

The spelling of 20320001432120 in words is "twenty trillion, three hundred twenty billion, one million, four hundred thirty-two thousand, one hundred twenty".